AMD Radeon HD 6750 vs AMD Radeon HD 6790

VS

AMD Radeon HD 6750

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6750 and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750 's Advantages

Lower TDP (86W vs 150W)

AMD Radeon HD 6790 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 73.60GB/s)

80 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6750

1.008 TFLOPS

Radeon HD 6790 +33%

1.344 TFLOPS

Radeon HD 6750

VS

Radeon HD 6790

Graphics Card

Jan 2011

Release Date

Apr 2011

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1150 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

73.60GB/s

Bandwidth

134.4GB/s

Render Config

9

Compute Units

10

-

720

Shading Units

800

36

TMUs

40

16

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

13.44 GPixel/s

25.20 GTexel/s

Texture Rate

33.60 GTexel/s

-

1008 GFLOPS

FP32 (float)

1344 GFLOPS

-

Board Design

86W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Juniper

GPU Name

Barts

Juniper LE (215-0754009)

GPU Variant

Barts LE (215-0798002)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

1.7 billion

166 mm²

Die Size

255 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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